Once your fellow people have come to know you well you automatically inherit the name DUDE. When more than one "DUDE" come together then it becomes "DUDES".

Idiot#1- "WOW!!! Did you see what that dude just did?"
Idiot#2- "Ya!!! That was COOL!"
Idiot#1 - "I wish I was a DUDE."
Idiot#2- " Ya me too."
Dude- "SWEET!! Ya can you leave cause' were going to have a dudes party. Only dudes allowed!!!"